final class org.apache.lucene.index.IndexFileDeleter implements java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.apache.lucene.index.IndexFileDeleter
  super_class: java.lang.Object
{
  private java.util.Map<java.lang.String, org.apache.lucene.index.IndexFileDeleter$RefCount> refCounts;
    descriptor: Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/Map<Ljava/lang/String;Lorg/apache/lucene/index/IndexFileDeleter$RefCount;>;

  private java.util.List<org.apache.lucene.index.IndexFileDeleter$CommitPoint> commits;
    descriptor: Ljava/util/List;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/List<Lorg/apache/lucene/index/IndexFileDeleter$CommitPoint;>;

  private final java.util.List<java.lang.String> lastFiles;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Ljava/lang/String;>;

  private java.util.List<org.apache.lucene.index.IndexFileDeleter$CommitPoint> commitsToDelete;
    descriptor: Ljava/util/List;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/List<Lorg/apache/lucene/index/IndexFileDeleter$CommitPoint;>;

  private final org.apache.lucene.util.InfoStream infoStream;
    descriptor: Lorg/apache/lucene/util/InfoStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.lucene.store.Directory directoryOrig;
    descriptor: Lorg/apache/lucene/store/Directory;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.lucene.store.Directory directory;
    descriptor: Lorg/apache/lucene/store/Directory;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.lucene.index.IndexDeletionPolicy policy;
    descriptor: Lorg/apache/lucene/index/IndexDeletionPolicy;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  final boolean startingCommitDeleted;
    descriptor: Z
    flags: (0x0010) ACC_FINAL

  private org.apache.lucene.index.SegmentInfos lastSegmentInfos;
    descriptor: Lorg/apache/lucene/index/SegmentInfos;
    flags: (0x0002) ACC_PRIVATE

  public static boolean VERBOSE_REF_COUNTS;
    descriptor: Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC

  private final org.apache.lucene.index.IndexWriter writer;
    descriptor: Lorg/apache/lucene/index/IndexWriter;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 80
            ldc Lorg/apache/lucene/index/IndexFileDeleter;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
         3: .line 111
            iconst_0
            putstatic org.apache.lucene.index.IndexFileDeleter.VERBOSE_REF_COUNTS:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private boolean locked();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 117
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            ifnull 1
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            invokestatic java.lang.Thread.holdsLock:(Ljava/lang/Object;)Z
            ifne 1
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_1
            ireturn
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/index/IndexFileDeleter;

  public void <init>(java.lang.String[], org.apache.lucene.store.Directory, org.apache.lucene.store.Directory, org.apache.lucene.index.IndexDeletionPolicy, org.apache.lucene.index.SegmentInfos, org.apache.lucene.util.InfoStream, org.apache.lucene.index.IndexWriter, boolean, boolean);
    descriptor: ([Ljava/lang/String;Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/IndexDeletionPolicy;Lorg/apache/lucene/index/SegmentInfos;Lorg/apache/lucene/util/InfoStream;Lorg/apache/lucene/index/IndexWriter;ZZ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=19, args_size=10
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.lang.String[] files
        start local 2 // org.apache.lucene.store.Directory directoryOrig
        start local 3 // org.apache.lucene.store.Directory directory
        start local 4 // org.apache.lucene.index.IndexDeletionPolicy policy
        start local 5 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 6 // org.apache.lucene.util.InfoStream infoStream
        start local 7 // org.apache.lucene.index.IndexWriter writer
        start local 8 // boolean initialIndexExists
        start local 9 // boolean isReaderInit
         0: .line 127
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 85
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
         2: .line 92
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
         3: .line 96
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
         4: .line 99
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
         5: .line 130
            aload 7 /* writer */
            invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 131
            aload 0 /* this */
            aload 6 /* infoStream */
            putfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
         7: .line 132
            aload 0 /* this */
            aload 7 /* writer */
            putfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
         8: .line 134
            aload 5 /* segmentInfos */
            invokevirtual org.apache.lucene.index.SegmentInfos.getSegmentsFileName:()Ljava/lang/String;
            astore 10 /* currentSegmentsFile */
        start local 10 // java.lang.String currentSegmentsFile
         9: .line 136
            aload 6 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 11
        10: .line 137
            aload 6 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: current segments file is \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 10 /* currentSegmentsFile */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\"; deletionPolicy="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 4 /* policy */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        11: .line 140
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String
      StackMap stack:
            aload 0 /* this */
            aload 4 /* policy */
            putfield org.apache.lucene.index.IndexFileDeleter.policy:Lorg/apache/lucene/index/IndexDeletionPolicy;
        12: .line 141
            aload 0 /* this */
            aload 2 /* directoryOrig */
            putfield org.apache.lucene.index.IndexFileDeleter.directoryOrig:Lorg/apache/lucene/store/Directory;
        13: .line 142
            aload 0 /* this */
            aload 3 /* directory */
            putfield org.apache.lucene.index.IndexFileDeleter.directory:Lorg/apache/lucene/store/Directory;
        14: .line 146
            aconst_null
            astore 11 /* currentCommitPoint */
        start local 11 // org.apache.lucene.index.IndexFileDeleter$CommitPoint currentCommitPoint
        15: .line 148
            aload 10 /* currentSegmentsFile */
            ifnull 35
        16: .line 149
            getstatic org.apache.lucene.index.IndexFileNames.CODEC_FILE_PATTERN:Ljava/util/regex/Pattern;
            ldc ""
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 12 /* m */
        start local 12 // java.util.regex.Matcher m
        17: .line 150
            aload 1 /* files */
            dup
            astore 16
            arraylength
            istore 15
            iconst_0
            istore 14
            goto 34
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.regex.Matcher top int int java.lang.String[]
      StackMap stack:
        18: aload 16
            iload 14
            aaload
            astore 13 /* fileName */
        start local 13 // java.lang.String fileName
        19: .line 151
            aload 12 /* m */
            aload 13 /* fileName */
            invokevirtual java.util.regex.Matcher.reset:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            pop
        20: .line 152
            aload 13 /* fileName */
            ldc "write.lock"
            invokevirtual java.lang.String.endsWith:(Ljava/lang/String;)Z
            ifne 33
            aload 12 /* m */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifne 21
            aload 13 /* fileName */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 21
            aload 13 /* fileName */
            ldc "pending_segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 33
        21: .line 155
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.regex.Matcher java.lang.String int int java.lang.String[]
      StackMap stack:
            aload 0 /* this */
            aload 13 /* fileName */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.getRefCount:(Ljava/lang/String;)Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
            pop
        22: .line 157
            aload 13 /* fileName */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 33
            aload 13 /* fileName */
            ldc "segments.gen"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 33
        23: .line 162
            aload 6 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 25
        24: .line 163
            aload 6 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: load commit \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 13 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        25: .line 165
      StackMap locals:
      StackMap stack:
            aload 2 /* directoryOrig */
            aload 13 /* fileName */
            invokestatic org.apache.lucene.index.SegmentInfos.readCommit:(Lorg/apache/lucene/store/Directory;Ljava/lang/String;)Lorg/apache/lucene/index/SegmentInfos;
            astore 17 /* sis */
        start local 17 // org.apache.lucene.index.SegmentInfos sis
        26: .line 167
            new org.apache.lucene.index.IndexFileDeleter$CommitPoint
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
            aload 2 /* directoryOrig */
            aload 17 /* sis */
            invokespecial org.apache.lucene.index.IndexFileDeleter$CommitPoint.<init>:(Ljava/util/Collection;Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/SegmentInfos;)V
            astore 18 /* commitPoint */
        start local 18 // org.apache.lucene.index.IndexFileDeleter$CommitPoint commitPoint
        27: .line 168
            aload 17 /* sis */
            invokevirtual org.apache.lucene.index.SegmentInfos.getGeneration:()J
            aload 5 /* segmentInfos */
            invokevirtual org.apache.lucene.index.SegmentInfos.getGeneration:()J
            lcmp
            ifne 29
        28: .line 169
            aload 18 /* commitPoint */
            astore 11 /* currentCommitPoint */
        29: .line 171
      StackMap locals: org.apache.lucene.index.SegmentInfos org.apache.lucene.index.IndexFileDeleter$CommitPoint
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            aload 18 /* commitPoint */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        30: .line 172
            aload 0 /* this */
            aload 17 /* sis */
            iconst_1
            invokevirtual org.apache.lucene.index.IndexFileDeleter.incRef:(Lorg/apache/lucene/index/SegmentInfos;Z)V
        31: .line 174
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastSegmentInfos:Lorg/apache/lucene/index/SegmentInfos;
            ifnull 32
            aload 17 /* sis */
            invokevirtual org.apache.lucene.index.SegmentInfos.getGeneration:()J
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastSegmentInfos:Lorg/apache/lucene/index/SegmentInfos;
            invokevirtual org.apache.lucene.index.SegmentInfos.getGeneration:()J
            lcmp
            ifle 33
        32: .line 175
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 17 /* sis */
            putfield org.apache.lucene.index.IndexFileDeleter.lastSegmentInfos:Lorg/apache/lucene/index/SegmentInfos;
        end local 18 // org.apache.lucene.index.IndexFileDeleter$CommitPoint commitPoint
        end local 17 // org.apache.lucene.index.SegmentInfos sis
        end local 13 // java.lang.String fileName
        33: .line 150
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.regex.Matcher top int int java.lang.String[]
      StackMap stack:
            iinc 14 1
      StackMap locals:
      StackMap stack:
        34: iload 14
            iload 15
            if_icmplt 18
        end local 12 // java.util.regex.Matcher m
        35: .line 182
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint
      StackMap stack:
            aload 11 /* currentCommitPoint */
            ifnonnull 46
            aload 10 /* currentSegmentsFile */
            ifnull 46
            iload 8 /* initialIndexExists */
            ifeq 46
        36: .line 190
            aconst_null
            astore 12 /* sis */
        start local 12 // org.apache.lucene.index.SegmentInfos sis
        37: .line 192
            aload 2 /* directoryOrig */
            aload 10 /* currentSegmentsFile */
            invokestatic org.apache.lucene.index.SegmentInfos.readCommit:(Lorg/apache/lucene/store/Directory;Ljava/lang/String;)Lorg/apache/lucene/index/SegmentInfos;
            astore 12 /* sis */
        38: .line 193
            goto 41
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint org.apache.lucene.index.SegmentInfos
      StackMap stack: java.io.IOException
        39: astore 13 /* e */
        start local 13 // java.io.IOException e
        40: .line 194
            new org.apache.lucene.index.CorruptIndexException
            dup
            ldc "unable to read current segments_N file"
            aload 10 /* currentSegmentsFile */
            aload 13 /* e */
            invokespecial org.apache.lucene.index.CorruptIndexException.<init>:(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 13 // java.io.IOException e
        41: .line 196
      StackMap locals:
      StackMap stack:
            aload 6 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 43
        42: .line 197
            aload 6 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "forced open of current segments file "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 5 /* segmentInfos */
            invokevirtual org.apache.lucene.index.SegmentInfos.getSegmentsFileName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        43: .line 199
      StackMap locals:
      StackMap stack:
            new org.apache.lucene.index.IndexFileDeleter$CommitPoint
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
            aload 2 /* directoryOrig */
            aload 12 /* sis */
            invokespecial org.apache.lucene.index.IndexFileDeleter$CommitPoint.<init>:(Ljava/util/Collection;Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/SegmentInfos;)V
            astore 11 /* currentCommitPoint */
        44: .line 200
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            aload 11 /* currentCommitPoint */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        45: .line 201
            aload 0 /* this */
            aload 12 /* sis */
            iconst_1
            invokevirtual org.apache.lucene.index.IndexFileDeleter.incRef:(Lorg/apache/lucene/index/SegmentInfos;Z)V
        end local 12 // org.apache.lucene.index.SegmentInfos sis
        46: .line 204
      StackMap locals:
      StackMap stack:
            iload 9 /* isReaderInit */
            ifeq 48
        47: .line 206
            aload 0 /* this */
            aload 5 /* segmentInfos */
            iconst_0
            invokevirtual org.apache.lucene.index.IndexFileDeleter.checkpoint:(Lorg/apache/lucene/index/SegmentInfos;Z)V
        48: .line 210
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            invokestatic org.apache.lucene.util.CollectionUtil.timSort:(Ljava/util/List;)V
        49: .line 211
            new java.util.HashSet
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            invokeinterface java.util.Map.keySet:()Ljava/util/Set;
            invokespecial java.util.HashSet.<init>:(Ljava/util/Collection;)V
            astore 12 /* relevantFiles */
        start local 12 // java.util.Collection relevantFiles
        50: .line 212
            aload 2 /* directoryOrig */
            invokevirtual org.apache.lucene.store.Directory.getPendingDeletions:()Ljava/util/Set;
            astore 13 /* pendingDeletions */
        start local 13 // java.util.Set pendingDeletions
        51: .line 213
            aload 13 /* pendingDeletions */
            invokeinterface java.util.Set.isEmpty:()Z
            ifne 53
        52: .line 214
            aload 12 /* relevantFiles */
            aload 13 /* pendingDeletions */
            invokeinterface java.util.Collection.addAll:(Ljava/util/Collection;)Z
            pop
        53: .line 217
      StackMap locals: java.util.Collection java.util.Set
      StackMap stack:
            aload 5 /* segmentInfos */
            aload 12 /* relevantFiles */
            aload 6 /* infoStream */
            invokestatic org.apache.lucene.index.IndexFileDeleter.inflateGens:(Lorg/apache/lucene/index/SegmentInfos;Ljava/util/Collection;Lorg/apache/lucene/util/InfoStream;)V
        54: .line 222
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 14 /* toDelete */
        start local 14 // java.util.Set toDelete
        55: .line 223
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 16
            goto 65
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.Collection java.util.Set java.util.Set top java.util.Iterator
      StackMap stack:
        56: aload 16
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 15 /* entry */
        start local 15 // java.util.Map$Entry entry
        57: .line 224
            aload 15 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexFileDeleter$RefCount
            astore 17 /* rc */
        start local 17 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
        58: .line 225
            aload 15 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 18 /* fileName */
        start local 18 // java.lang.String fileName
        59: .line 226
            aload 17 /* rc */
            getfield org.apache.lucene.index.IndexFileDeleter$RefCount.count:I
            ifne 65
        60: .line 228
            aload 18 /* fileName */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 62
        61: .line 229
            new java.lang.IllegalStateException
            dup
            new java.lang.StringBuilder
            dup
            ldc "file \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 18 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\" has refCount=0, which should never happen on init"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        62: .line 231
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.Collection java.util.Set java.util.Set java.util.Map$Entry java.util.Iterator org.apache.lucene.index.IndexFileDeleter$RefCount java.lang.String
      StackMap stack:
            aload 6 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 64
        63: .line 232
            aload 6 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: removing unreferenced file \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 18 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        64: .line 234
      StackMap locals:
      StackMap stack:
            aload 14 /* toDelete */
            aload 18 /* fileName */
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
        end local 18 // java.lang.String fileName
        end local 17 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
        end local 15 // java.util.Map$Entry entry
        65: .line 223
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.Collection java.util.Set java.util.Set top java.util.Iterator
      StackMap stack:
            aload 16
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 56
        66: .line 238
            aload 0 /* this */
            aload 14 /* toDelete */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteFiles:(Ljava/util/Collection;)V
        67: .line 242
            aload 4 /* policy */
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexDeletionPolicy.onInit:(Ljava/util/List;)V
        68: .line 246
            aload 0 /* this */
            aload 5 /* segmentInfos */
            iconst_0
            invokevirtual org.apache.lucene.index.IndexFileDeleter.checkpoint:(Lorg/apache/lucene/index/SegmentInfos;Z)V
        69: .line 248
            aload 11 /* currentCommitPoint */
            ifnonnull 72
        70: .line 249
            aload 0 /* this */
            iconst_0
            putfield org.apache.lucene.index.IndexFileDeleter.startingCommitDeleted:Z
        71: .line 250
            goto 73
        72: .line 251
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.lang.String[] org.apache.lucene.store.Directory org.apache.lucene.store.Directory org.apache.lucene.index.IndexDeletionPolicy org.apache.lucene.index.SegmentInfos org.apache.lucene.util.InfoStream org.apache.lucene.index.IndexWriter int int java.lang.String org.apache.lucene.index.IndexFileDeleter$CommitPoint java.util.Collection java.util.Set java.util.Set
      StackMap stack:
            aload 0 /* this */
            aload 11 /* currentCommitPoint */
            invokevirtual org.apache.lucene.index.IndexFileDeleter$CommitPoint.isDeleted:()Z
            putfield org.apache.lucene.index.IndexFileDeleter.startingCommitDeleted:Z
        73: .line 254
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteCommits:()V
        74: .line 255
            return
        end local 14 // java.util.Set toDelete
        end local 13 // java.util.Set pendingDeletions
        end local 12 // java.util.Collection relevantFiles
        end local 11 // org.apache.lucene.index.IndexFileDeleter$CommitPoint currentCommitPoint
        end local 10 // java.lang.String currentSegmentsFile
        end local 9 // boolean isReaderInit
        end local 8 // boolean initialIndexExists
        end local 7 // org.apache.lucene.index.IndexWriter writer
        end local 6 // org.apache.lucene.util.InfoStream infoStream
        end local 5 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 4 // org.apache.lucene.index.IndexDeletionPolicy policy
        end local 3 // org.apache.lucene.store.Directory directory
        end local 2 // org.apache.lucene.store.Directory directoryOrig
        end local 1 // java.lang.String[] files
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0   75     0                 this  Lorg/apache/lucene/index/IndexFileDeleter;
            0   75     1                files  [Ljava/lang/String;
            0   75     2        directoryOrig  Lorg/apache/lucene/store/Directory;
            0   75     3            directory  Lorg/apache/lucene/store/Directory;
            0   75     4               policy  Lorg/apache/lucene/index/IndexDeletionPolicy;
            0   75     5         segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0   75     6           infoStream  Lorg/apache/lucene/util/InfoStream;
            0   75     7               writer  Lorg/apache/lucene/index/IndexWriter;
            0   75     8   initialIndexExists  Z
            0   75     9         isReaderInit  Z
            9   75    10  currentSegmentsFile  Ljava/lang/String;
           15   75    11   currentCommitPoint  Lorg/apache/lucene/index/IndexFileDeleter$CommitPoint;
           17   35    12                    m  Ljava/util/regex/Matcher;
           19   33    13             fileName  Ljava/lang/String;
           26   33    17                  sis  Lorg/apache/lucene/index/SegmentInfos;
           27   33    18          commitPoint  Lorg/apache/lucene/index/IndexFileDeleter$CommitPoint;
           37   46    12                  sis  Lorg/apache/lucene/index/SegmentInfos;
           40   41    13                    e  Ljava/io/IOException;
           50   75    12        relevantFiles  Ljava/util/Collection<Ljava/lang/String;>;
           51   75    13     pendingDeletions  Ljava/util/Set<Ljava/lang/String;>;
           55   75    14             toDelete  Ljava/util/Set<Ljava/lang/String;>;
           57   65    15                entry  Ljava/util/Map$Entry<Ljava/lang/String;Lorg/apache/lucene/index/IndexFileDeleter$RefCount;>;
           58   65    17                   rc  Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
           59   65    18             fileName  Ljava/lang/String;
      Exception table:
        from    to  target  type
          37    38      39  Class java.io.IOException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                    Name  Flags
      files               
      directoryOrig       
      directory           
      policy              
      segmentInfos        
      infoStream          
      writer              
      initialIndexExists  
      isReaderInit        

  static void inflateGens(org.apache.lucene.index.SegmentInfos, java.util.Collection<java.lang.String>, org.apache.lucene.util.InfoStream);
    descriptor: (Lorg/apache/lucene/index/SegmentInfos;Ljava/util/Collection;Lorg/apache/lucene/util/InfoStream;)V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=7, locals=13, args_size=3
        start local 0 // org.apache.lucene.index.SegmentInfos infos
        start local 1 // java.util.Collection files
        start local 2 // org.apache.lucene.util.InfoStream infoStream
         0: .line 261
            ldc -9223372036854775808
            lstore 3 /* maxSegmentGen */
        start local 3 // long maxSegmentGen
         1: .line 262
            ldc -9223372036854775808
            lstore 5 /* maxSegmentName */
        start local 5 // long maxSegmentName
         2: .line 269
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 7 /* maxPerSegmentGen */
        start local 7 // java.util.Map maxPerSegmentGen
         3: .line 271
            aload 1 /* files */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 9
            goto 28
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map top java.util.Iterator
      StackMap stack:
         4: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 8 /* fileName */
        start local 8 // java.lang.String fileName
         5: .line 272
            aload 8 /* fileName */
            ldc "segments.gen"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 28
            aload 8 /* fileName */
            ldc "write.lock"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 28
         6: .line 274
            aload 8 /* fileName */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 11
         7: .line 276
            aload 8 /* fileName */
            invokestatic org.apache.lucene.index.SegmentInfos.generationFromSegmentsFileName:(Ljava/lang/String;)J
            lload 3 /* maxSegmentGen */
            invokestatic java.lang.Math.max:(JJ)J
            lstore 3 /* maxSegmentGen */
         8: .line 277
            goto 28
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map java.lang.String java.util.Iterator
      StackMap stack: java.lang.NumberFormatException
         9: pop
        10: .line 280
            goto 28
      StackMap locals:
      StackMap stack:
        11: aload 8 /* fileName */
            ldc "pending_segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 16
        12: .line 282
            aload 8 /* fileName */
            bipush 8
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            invokestatic org.apache.lucene.index.SegmentInfos.generationFromSegmentsFileName:(Ljava/lang/String;)J
            lload 3 /* maxSegmentGen */
            invokestatic java.lang.Math.max:(JJ)J
            lstore 3 /* maxSegmentGen */
        13: .line 283
            goto 28
      StackMap locals:
      StackMap stack: java.lang.NumberFormatException
        14: pop
        15: .line 286
            goto 28
        16: .line 287
      StackMap locals:
      StackMap stack:
            aload 8 /* fileName */
            invokestatic org.apache.lucene.index.IndexFileNames.parseSegmentName:(Ljava/lang/String;)Ljava/lang/String;
            astore 10 /* segmentName */
        start local 10 // java.lang.String segmentName
        17: .line 288
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 18
            aload 10 /* segmentName */
            ldc "_"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 18
            new java.lang.AssertionError
            dup
            new java.lang.StringBuilder
            dup
            ldc "wtf? file="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 8 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
        18: .line 290
      StackMap locals: java.lang.String
      StackMap stack:
            aload 8 /* fileName */
            getstatic java.util.Locale.ROOT:Ljava/util/Locale;
            invokevirtual java.lang.String.toLowerCase:(Ljava/util/Locale;)Ljava/lang/String;
            ldc ".tmp"
            invokevirtual java.lang.String.endsWith:(Ljava/lang/String;)Z
            ifeq 20
        19: .line 292
            goto 28
        20: .line 295
      StackMap locals:
      StackMap stack:
            lload 5 /* maxSegmentName */
            aload 10 /* segmentName */
            iconst_1
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            bipush 36
            invokestatic java.lang.Long.parseLong:(Ljava/lang/String;I)J
            invokestatic java.lang.Math.max:(JJ)J
            lstore 5 /* maxSegmentName */
        21: .line 297
            aload 7 /* maxPerSegmentGen */
            aload 10 /* segmentName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            astore 11 /* curGen */
        start local 11 // java.lang.Long curGen
        22: .line 298
            aload 11 /* curGen */
            ifnonnull 24
        23: .line 299
            lconst_0
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            astore 11 /* curGen */
        24: .line 303
      StackMap locals: java.lang.Long
      StackMap stack:
            aload 11 /* curGen */
            invokevirtual java.lang.Long.longValue:()J
            aload 8 /* fileName */
            invokestatic org.apache.lucene.index.IndexFileNames.parseGeneration:(Ljava/lang/String;)J
            invokestatic java.lang.Math.max:(JJ)J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            astore 11 /* curGen */
        25: .line 304
            goto 27
      StackMap locals:
      StackMap stack: java.lang.NumberFormatException
        26: pop
        27: .line 307
      StackMap locals:
      StackMap stack:
            aload 7 /* maxPerSegmentGen */
            aload 10 /* segmentName */
            aload 11 /* curGen */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 11 // java.lang.Long curGen
        end local 10 // java.lang.String segmentName
        end local 8 // java.lang.String fileName
        28: .line 271
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map top java.util.Iterator
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        29: .line 312
            aload 0 /* infos */
            aload 0 /* infos */
            invokevirtual org.apache.lucene.index.SegmentInfos.getGeneration:()J
            lload 3 /* maxSegmentGen */
            invokestatic java.lang.Math.max:(JJ)J
            invokevirtual org.apache.lucene.index.SegmentInfos.setNextWriteGeneration:(J)V
        30: .line 313
            aload 0 /* infos */
            getfield org.apache.lucene.index.SegmentInfos.counter:J
            lconst_1
            lload 5 /* maxSegmentName */
            ladd
            lcmp
            ifge 34
        31: .line 314
            aload 2 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 33
        32: .line 315
            aload 2 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: inflate infos.counter to "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            lconst_1
            lload 5 /* maxSegmentName */
            ladd
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " vs current="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* infos */
            getfield org.apache.lucene.index.SegmentInfos.counter:J
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        33: .line 317
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map
      StackMap stack:
            aload 0 /* infos */
            lconst_1
            lload 5 /* maxSegmentName */
            ladd
            putfield org.apache.lucene.index.SegmentInfos.counter:J
        34: .line 320
      StackMap locals:
      StackMap stack:
            aload 0 /* infos */
            invokevirtual org.apache.lucene.index.SegmentInfos.iterator:()Ljava/util/Iterator;
            astore 9
            goto 51
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map top java.util.Iterator
      StackMap stack:
        35: aload 9
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.lucene.index.SegmentCommitInfo
            astore 8 /* info */
        start local 8 // org.apache.lucene.index.SegmentCommitInfo info
        36: .line 321
            aload 7 /* maxPerSegmentGen */
            aload 8 /* info */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            getfield org.apache.lucene.index.SegmentInfo.name:Ljava/lang/String;
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Long
            astore 10 /* gen */
        start local 10 // java.lang.Long gen
        37: .line 322
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 38
            aload 10 /* gen */
            ifnonnull 38
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
        38: .line 323
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map org.apache.lucene.index.SegmentCommitInfo java.util.Iterator java.lang.Long
      StackMap stack:
            aload 10 /* gen */
            invokevirtual java.lang.Long.longValue:()J
            lstore 11 /* genLong */
        start local 11 // long genLong
        39: .line 324
            aload 8 /* info */
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.getNextWriteDelGen:()J
            lload 11 /* genLong */
            lconst_1
            ladd
            lcmp
            ifge 43
        40: .line 325
            aload 2 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 42
        41: .line 326
            aload 2 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: seg="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 8 /* info */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            getfield org.apache.lucene.index.SegmentInfo.name:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " set nextWriteDelGen="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            lload 11 /* genLong */
            lconst_1
            ladd
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " vs current="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 8 /* info */
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.getNextWriteDelGen:()J
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        42: .line 328
      StackMap locals: long
      StackMap stack:
            aload 8 /* info */
            lload 11 /* genLong */
            lconst_1
            ladd
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.setNextWriteDelGen:(J)V
        43: .line 330
      StackMap locals:
      StackMap stack:
            aload 8 /* info */
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.getNextWriteFieldInfosGen:()J
            lload 11 /* genLong */
            lconst_1
            ladd
            lcmp
            ifge 47
        44: .line 331
            aload 2 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 46
        45: .line 332
            aload 2 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: seg="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 8 /* info */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            getfield org.apache.lucene.index.SegmentInfo.name:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " set nextWriteFieldInfosGen="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            lload 11 /* genLong */
            lconst_1
            ladd
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " vs current="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 8 /* info */
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.getNextWriteFieldInfosGen:()J
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        46: .line 334
      StackMap locals:
      StackMap stack:
            aload 8 /* info */
            lload 11 /* genLong */
            lconst_1
            ladd
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.setNextWriteFieldInfosGen:(J)V
        47: .line 336
      StackMap locals:
      StackMap stack:
            aload 8 /* info */
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.getNextWriteDocValuesGen:()J
            lload 11 /* genLong */
            lconst_1
            ladd
            lcmp
            ifge 51
        48: .line 337
            aload 2 /* infoStream */
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 50
        49: .line 338
            aload 2 /* infoStream */
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "init: seg="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 8 /* info */
            getfield org.apache.lucene.index.SegmentCommitInfo.info:Lorg/apache/lucene/index/SegmentInfo;
            getfield org.apache.lucene.index.SegmentInfo.name:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " set nextWriteDocValuesGen="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            lload 11 /* genLong */
            lconst_1
            ladd
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " vs current="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 8 /* info */
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.getNextWriteDocValuesGen:()J
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        50: .line 340
      StackMap locals:
      StackMap stack:
            aload 8 /* info */
            lload 11 /* genLong */
            lconst_1
            ladd
            invokevirtual org.apache.lucene.index.SegmentCommitInfo.setNextWriteDocValuesGen:(J)V
        end local 11 // long genLong
        end local 10 // java.lang.Long gen
        end local 8 // org.apache.lucene.index.SegmentCommitInfo info
        51: .line 320
      StackMap locals: org.apache.lucene.index.SegmentInfos java.util.Collection org.apache.lucene.util.InfoStream long long java.util.Map top java.util.Iterator
      StackMap stack:
            aload 9
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 35
        52: .line 343
            return
        end local 7 // java.util.Map maxPerSegmentGen
        end local 5 // long maxSegmentName
        end local 3 // long maxSegmentGen
        end local 2 // org.apache.lucene.util.InfoStream infoStream
        end local 1 // java.util.Collection files
        end local 0 // org.apache.lucene.index.SegmentInfos infos
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0   53     0             infos  Lorg/apache/lucene/index/SegmentInfos;
            0   53     1             files  Ljava/util/Collection<Ljava/lang/String;>;
            0   53     2        infoStream  Lorg/apache/lucene/util/InfoStream;
            1   53     3     maxSegmentGen  J
            2   53     5    maxSegmentName  J
            3   53     7  maxPerSegmentGen  Ljava/util/Map<Ljava/lang/String;Ljava/lang/Long;>;
            5   28     8          fileName  Ljava/lang/String;
           17   28    10       segmentName  Ljava/lang/String;
           22   28    11            curGen  Ljava/lang/Long;
           36   51     8              info  Lorg/apache/lucene/index/SegmentCommitInfo;
           37   51    10               gen  Ljava/lang/Long;
           39   51    11           genLong  J
      Exception table:
        from    to  target  type
           7     8       9  Class java.lang.NumberFormatException
          12    13      14  Class java.lang.NumberFormatException
          24    25      26  Class java.lang.NumberFormatException
    Signature: (Lorg/apache/lucene/index/SegmentInfos;Ljava/util/Collection<Ljava/lang/String;>;Lorg/apache/lucene/util/InfoStream;)V
    MethodParameters:
            Name  Flags
      infos       
      files       
      infoStream  

  void ensureOpen();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 346
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            iconst_0
            invokevirtual org.apache.lucene.index.IndexWriter.ensureOpen:(Z)V
         1: .line 348
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            invokevirtual org.apache.lucene.index.IndexWriter.getTragicException:()Ljava/lang/Throwable;
            ifnull 3
         2: .line 349
            new org.apache.lucene.store.AlreadyClosedException
            dup
            ldc "refusing to delete any files: this IndexWriter hit an unrecoverable exception"
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            invokevirtual org.apache.lucene.index.IndexWriter.getTragicException:()Ljava/lang/Throwable;
            invokespecial org.apache.lucene.store.AlreadyClosedException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
         3: .line 351
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/lucene/index/IndexFileDeleter;
    Exceptions:
      throws org.apache.lucene.store.AlreadyClosedException

  boolean isClosed();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 356
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.ensureOpen:()V
         1: .line 357
            iconst_0
            ireturn
         2: .line 358
      StackMap locals:
      StackMap stack: org.apache.lucene.store.AlreadyClosedException
            pop
         3: .line 359
            iconst_1
            ireturn
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/lucene/index/IndexFileDeleter;
      Exception table:
        from    to  target  type
           0     1       2  Class org.apache.lucene.store.AlreadyClosedException

  private void deleteCommits();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=6, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 369
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
            invokeinterface java.util.List.size:()I
            istore 1 /* size */
        start local 1 // int size
         1: .line 371
            iload 1 /* size */
            ifle 32
         2: .line 375
            aconst_null
            astore 2 /* firstThrowable */
        start local 2 // java.lang.Throwable firstThrowable
         3: .line 376
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         4: goto 13
         5: .line 377
      StackMap locals: int java.lang.Throwable int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
            iload 3 /* i */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexFileDeleter$CommitPoint
            astore 4 /* commit */
        start local 4 // org.apache.lucene.index.IndexFileDeleter$CommitPoint commit
         6: .line 378
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 8
         7: .line 379
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "deleteCommits: now decRef commit \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* commit */
            invokevirtual org.apache.lucene.index.IndexFileDeleter$CommitPoint.getSegmentsFileName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         8: .line 382
      StackMap locals: org.apache.lucene.index.IndexFileDeleter$CommitPoint
      StackMap stack:
            aload 0 /* this */
            aload 4 /* commit */
            getfield org.apache.lucene.index.IndexFileDeleter$CommitPoint.files:Ljava/util/Collection;
            invokevirtual org.apache.lucene.index.IndexFileDeleter.decRef:(Ljava/util/Collection;)V
         9: .line 383
            goto 12
      StackMap locals:
      StackMap stack: java.lang.Throwable
        10: astore 5 /* t */
        start local 5 // java.lang.Throwable t
        11: .line 384
            aload 2 /* firstThrowable */
            aload 5 /* t */
            invokestatic org.apache.lucene.util.IOUtils.useOrSuppress:(Ljava/lang/Throwable;Ljava/lang/Throwable;)Ljava/lang/Throwable;
            astore 2 /* firstThrowable */
        end local 5 // java.lang.Throwable t
        end local 4 // org.apache.lucene.index.IndexFileDeleter$CommitPoint commit
        12: .line 376
      StackMap locals:
      StackMap stack:
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        13: iload 3 /* i */
            iload 1 /* size */
            if_icmplt 5
        end local 3 // int i
        14: .line 387
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
        15: .line 389
            aload 2 /* firstThrowable */
            ifnull 17
        16: .line 390
            aload 2 /* firstThrowable */
            invokestatic org.apache.lucene.util.IOUtils.rethrowAlways:(Ljava/lang/Throwable;)Ljava/lang/Error;
            athrow
        17: .line 394
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            invokeinterface java.util.List.size:()I
            istore 1 /* size */
        18: .line 395
            iconst_0
            istore 3 /* readFrom */
        start local 3 // int readFrom
        19: .line 396
            iconst_0
            istore 4 /* writeTo */
        start local 4 // int writeTo
        20: .line 397
            goto 27
        21: .line 398
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            iload 3 /* readFrom */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexFileDeleter$CommitPoint
            astore 5 /* commit */
        start local 5 // org.apache.lucene.index.IndexFileDeleter$CommitPoint commit
        22: .line 399
            aload 5 /* commit */
            getfield org.apache.lucene.index.IndexFileDeleter$CommitPoint.deleted:Z
            ifne 26
        23: .line 400
            iload 4 /* writeTo */
            iload 3 /* readFrom */
            if_icmpeq 25
        24: .line 401
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            iload 4 /* writeTo */
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            iload 3 /* readFrom */
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexFileDeleter$CommitPoint
            invokeinterface java.util.List.set:(ILjava/lang/Object;)Ljava/lang/Object;
            pop
        25: .line 403
      StackMap locals: org.apache.lucene.index.IndexFileDeleter$CommitPoint
      StackMap stack:
            iinc 4 /* writeTo */ 1
        26: .line 405
      StackMap locals:
      StackMap stack:
            iinc 3 /* readFrom */ 1
        end local 5 // org.apache.lucene.index.IndexFileDeleter$CommitPoint commit
        27: .line 397
      StackMap locals:
      StackMap stack:
            iload 3 /* readFrom */
            iload 1 /* size */
            if_icmplt 21
        28: .line 408
            goto 31
        29: .line 409
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            iload 1 /* size */
            iconst_1
            isub
            invokeinterface java.util.List.remove:(I)Ljava/lang/Object;
            pop
        30: .line 410
            iinc 1 /* size */ -1
        31: .line 408
      StackMap locals:
      StackMap stack:
            iload 1 /* size */
            iload 4 /* writeTo */
            if_icmpgt 29
        end local 4 // int writeTo
        end local 3 // int readFrom
        end local 2 // java.lang.Throwable firstThrowable
        32: .line 413
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int size
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   33     0            this  Lorg/apache/lucene/index/IndexFileDeleter;
            1   33     1            size  I
            3   32     2  firstThrowable  Ljava/lang/Throwable;
            4   14     3               i  I
            6   12     4          commit  Lorg/apache/lucene/index/IndexFileDeleter$CommitPoint;
           11   12     5               t  Ljava/lang/Throwable;
           19   32     3        readFrom  I
           20   32     4         writeTo  I
           22   27     5          commit  Lorg/apache/lucene/index/IndexFileDeleter$CommitPoint;
      Exception table:
        from    to  target  type
           8     9      10  Class java.lang.Throwable
    Exceptions:
      throws java.io.IOException

  void refresh();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=5, locals=6, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 424
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 425
      StackMap locals:
      StackMap stack:
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 1 /* toDelete */
        start local 1 // java.util.Set toDelete
         2: .line 427
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.directory:Lorg/apache/lucene/store/Directory;
            invokevirtual org.apache.lucene.store.Directory.listAll:()[Ljava/lang/String;
            astore 2 /* files */
        start local 2 // java.lang.String[] files
         3: .line 429
            getstatic org.apache.lucene.index.IndexFileNames.CODEC_FILE_PATTERN:Ljava/util/regex/Pattern;
            ldc ""
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 3 /* m */
        start local 3 // java.util.regex.Matcher m
         4: .line 431
            iconst_0
            istore 4 /* i */
        start local 4 // int i
         5: goto 16
         6: .line 432
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Set java.lang.String[] java.util.regex.Matcher int
      StackMap stack:
            aload 2 /* files */
            iload 4 /* i */
            aaload
            astore 5 /* fileName */
        start local 5 // java.lang.String fileName
         7: .line 433
            aload 3 /* m */
            aload 5 /* fileName */
            invokevirtual java.util.regex.Matcher.reset:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            pop
         8: .line 434
            aload 5 /* fileName */
            ldc "write.lock"
            invokevirtual java.lang.String.endsWith:(Ljava/lang/String;)Z
            ifne 15
         9: .line 435
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 5 /* fileName */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 15
        10: .line 436
            aload 3 /* m */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifne 12
            aload 5 /* fileName */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 12
        11: .line 440
            aload 5 /* fileName */
            ldc "pending_segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 15
        12: .line 442
      StackMap locals: java.lang.String
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 14
        13: .line 443
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "refresh: removing newly created unreferenced file \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 5 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        14: .line 445
      StackMap locals:
      StackMap stack:
            aload 1 /* toDelete */
            aload 5 /* fileName */
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
        end local 5 // java.lang.String fileName
        15: .line 431
      StackMap locals:
      StackMap stack:
            iinc 4 /* i */ 1
      StackMap locals:
      StackMap stack:
        16: iload 4 /* i */
            aload 2 /* files */
            arraylength
            if_icmplt 6
        end local 4 // int i
        17: .line 449
            aload 0 /* this */
            aload 1 /* toDelete */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteFiles:(Ljava/util/Collection;)V
        18: .line 450
            return
        end local 3 // java.util.regex.Matcher m
        end local 2 // java.lang.String[] files
        end local 1 // java.util.Set toDelete
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   19     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            2   19     1  toDelete  Ljava/util/Set<Ljava/lang/String;>;
            3   19     2     files  [Ljava/lang/String;
            4   19     3         m  Ljava/util/regex/Matcher;
            5   17     4         i  I
            7   15     5  fileName  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 455
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 457
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokeinterface java.util.List.isEmpty:()Z
            ifne 8
         2: .line 459
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexFileDeleter.decRef:(Ljava/util/Collection;)V
         3: .line 460
            goto 7
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: astore 1
         5: .line 461
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
         6: .line 462
            aload 1
            athrow
         7: .line 461
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
         8: .line 464
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/apache/lucene/index/IndexFileDeleter;
      Exception table:
        from    to  target  type
           2     4       4  any
    Exceptions:
      throws java.io.IOException

  void revisitPolicy();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
         0: .line 476
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 477
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 3
         2: .line 478
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            ldc "now revisitPolicy"
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         3: .line 481
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            invokeinterface java.util.List.size:()I
            ifle 6
         4: .line 482
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.policy:Lorg/apache/lucene/index/IndexDeletionPolicy;
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexDeletionPolicy.onCommit:(Ljava/util/List;)V
         5: .line 483
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteCommits:()V
         6: .line 485
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/lucene/index/IndexFileDeleter;
    Exceptions:
      throws java.io.IOException

  public void checkpoint(org.apache.lucene.index.SegmentInfos, boolean);
    descriptor: (Lorg/apache/lucene/index/SegmentInfos;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=7, args_size=3
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 2 // boolean isCommit
         0: .line 508
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 510
      StackMap locals:
      StackMap stack:
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 2
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            invokestatic java.lang.Thread.holdsLock:(Ljava/lang/Object;)Z
            ifne 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 511
      StackMap locals:
      StackMap stack:
            invokestatic java.lang.System.nanoTime:()J
            lstore 3 /* t0 */
        start local 3 // long t0
         3: .line 512
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 5
         4: .line 513
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "now checkpoint \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.writer:Lorg/apache/lucene/index/IndexWriter;
            aload 1 /* segmentInfos */
            invokevirtual org.apache.lucene.index.IndexWriter.toLiveInfos:(Lorg/apache/lucene/index/SegmentInfos;)Lorg/apache/lucene/index/SegmentInfos;
            invokevirtual org.apache.lucene.index.IndexWriter.segString:(Ljava/lang/Iterable;)Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\" ["
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 1 /* segmentInfos */
            invokevirtual org.apache.lucene.index.SegmentInfos.size:()I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            ldc " segments "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "; isCommit = "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            iload 2 /* isCommit */
            invokevirtual java.lang.StringBuilder.append:(Z)Ljava/lang/StringBuilder;
            ldc "]"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         5: .line 517
      StackMap locals: long
      StackMap stack:
            aload 0 /* this */
            aload 1 /* segmentInfos */
            iload 2 /* isCommit */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.incRef:(Lorg/apache/lucene/index/SegmentInfos;Z)V
         6: .line 519
            iload 2 /* isCommit */
            ifeq 11
         7: .line 521
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            new org.apache.lucene.index.IndexFileDeleter$CommitPoint
            dup
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commitsToDelete:Ljava/util/List;
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.directoryOrig:Lorg/apache/lucene/store/Directory;
            aload 1 /* segmentInfos */
            invokespecial org.apache.lucene.index.IndexFileDeleter$CommitPoint.<init>:(Ljava/util/Collection;Lorg/apache/lucene/store/Directory;Lorg/apache/lucene/index/SegmentInfos;)V
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         8: .line 524
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.policy:Lorg/apache/lucene/index/IndexDeletionPolicy;
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.commits:Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexDeletionPolicy.onCommit:(Ljava/util/List;)V
         9: .line 527
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteCommits:()V
        10: .line 528
            goto 18
        11: .line 531
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokevirtual org.apache.lucene.index.IndexFileDeleter.decRef:(Ljava/util/Collection;)V
        12: .line 532
            goto 16
      StackMap locals:
      StackMap stack: java.lang.Throwable
        13: astore 5
        14: .line 533
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
        15: .line 534
            aload 5
            athrow
        16: .line 533
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
        17: .line 537
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.lastFiles:Ljava/util/List;
            aload 1 /* segmentInfos */
            iconst_0
            invokevirtual org.apache.lucene.index.SegmentInfos.files:(Z)Ljava/util/Collection;
            invokeinterface java.util.List.addAll:(Ljava/util/Collection;)Z
            pop
        18: .line 540
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 21
        19: .line 541
            invokestatic java.lang.System.nanoTime:()J
            lstore 5 /* t1 */
        start local 5 // long t1
        20: .line 542
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            lload 5 /* t1 */
            lload 3 /* t0 */
            lsub
            ldc 1000000
            ldiv
            invokestatic java.lang.String.valueOf:(J)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " msec to checkpoint"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
        end local 5 // long t1
        21: .line 544
      StackMap locals:
      StackMap stack:
            return
        end local 3 // long t0
        end local 2 // boolean isCommit
        end local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   22     0          this  Lorg/apache/lucene/index/IndexFileDeleter;
            0   22     1  segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0   22     2      isCommit  Z
            3   22     3            t0  J
           20   21     5            t1  J
      Exception table:
        from    to  target  type
          11    13      13  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      segmentInfos  
      isCommit      

  void incRef(org.apache.lucene.index.SegmentInfos, boolean);
    descriptor: (Lorg/apache/lucene/index/SegmentInfos;Z)V
    flags: (0x0000) 
    Code:
      stack=2, locals=5, args_size=3
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        start local 2 // boolean isCommit
         0: .line 547
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 550
      StackMap locals:
      StackMap stack:
            aload 1 /* segmentInfos */
            iload 2 /* isCommit */
            invokevirtual org.apache.lucene.index.SegmentInfos.files:(Z)Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 4
            goto 4
      StackMap locals: org.apache.lucene.index.IndexFileDeleter org.apache.lucene.index.SegmentInfos int top java.util.Iterator
      StackMap stack:
         2: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* fileName */
        start local 3 // java.lang.String fileName
         3: .line 551
            aload 0 /* this */
            aload 3 /* fileName */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.incRef:(Ljava/lang/String;)V
        end local 3 // java.lang.String fileName
         4: .line 550
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 553
            return
        end local 2 // boolean isCommit
        end local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    6     0          this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    6     1  segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
            0    6     2      isCommit  Z
            3    4     3      fileName  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      segmentInfos  
      isCommit      

  void incRef(java.util.Collection<java.lang.String>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.util.Collection files
         0: .line 556
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 557
      StackMap locals:
      StackMap stack:
            aload 1 /* files */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection top java.util.Iterator
      StackMap stack:
         2: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 2 /* file */
        start local 2 // java.lang.String file
         3: .line 558
            aload 0 /* this */
            aload 2 /* file */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.incRef:(Ljava/lang/String;)V
        end local 2 // java.lang.String file
         4: .line 557
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 560
            return
        end local 1 // java.util.Collection files
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    6     1  files  Ljava/util/Collection<Ljava/lang/String;>;
            3    4     2   file  Ljava/lang/String;
    Signature: (Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      files  

  void incRef(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.lang.String fileName
         0: .line 563
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 564
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* fileName */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.getRefCount:(Ljava/lang/String;)Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
            astore 2 /* rc */
        start local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
         2: .line 565
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 5
         3: .line 566
            getstatic org.apache.lucene.index.IndexFileDeleter.VERBOSE_REF_COUNTS:Z
            ifeq 5
         4: .line 567
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "  IncRef \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\": pre-incr count is "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 2 /* rc */
            getfield org.apache.lucene.index.IndexFileDeleter$RefCount.count:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         5: .line 570
      StackMap locals: org.apache.lucene.index.IndexFileDeleter$RefCount
      StackMap stack:
            aload 2 /* rc */
            invokevirtual org.apache.lucene.index.IndexFileDeleter$RefCount.IncRef:()I
            pop
         6: .line 571
            return
        end local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
        end local 1 // java.lang.String fileName
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    7     1  fileName  Ljava/lang/String;
            2    7     2        rc  Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
    MethodParameters:
          Name  Flags
      fileName  

  void decRef(java.util.Collection<java.lang.String>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=7, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.util.Collection files
         0: .line 575
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 576
      StackMap locals:
      StackMap stack:
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 2 /* toDelete */
        start local 2 // java.util.Set toDelete
         2: .line 577
            aconst_null
            astore 3 /* firstThrowable */
        start local 3 // java.lang.Throwable firstThrowable
         3: .line 578
            aload 1 /* files */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 5
            goto 10
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set java.lang.Throwable top java.util.Iterator
      StackMap stack:
         4: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 4 /* file */
        start local 4 // java.lang.String file
         5: .line 580
            aload 0 /* this */
            aload 4 /* file */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.decRef:(Ljava/lang/String;)Z
            ifeq 10
         6: .line 581
            aload 2 /* toDelete */
            aload 4 /* file */
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
         7: .line 583
            goto 10
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set java.lang.Throwable java.lang.String java.util.Iterator
      StackMap stack: java.lang.Throwable
         8: astore 6 /* t */
        start local 6 // java.lang.Throwable t
         9: .line 584
            aload 3 /* firstThrowable */
            aload 6 /* t */
            invokestatic org.apache.lucene.util.IOUtils.useOrSuppress:(Ljava/lang/Throwable;Ljava/lang/Throwable;)Ljava/lang/Throwable;
            astore 3 /* firstThrowable */
        end local 6 // java.lang.Throwable t
        end local 4 // java.lang.String file
        10: .line 578
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set java.lang.Throwable top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        11: .line 589
            aload 0 /* this */
            aload 2 /* toDelete */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteFiles:(Ljava/util/Collection;)V
        12: .line 590
            goto 15
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set java.lang.Throwable
      StackMap stack: java.lang.Throwable
        13: astore 4 /* t */
        start local 4 // java.lang.Throwable t
        14: .line 591
            aload 3 /* firstThrowable */
            aload 4 /* t */
            invokestatic org.apache.lucene.util.IOUtils.useOrSuppress:(Ljava/lang/Throwable;Ljava/lang/Throwable;)Ljava/lang/Throwable;
            astore 3 /* firstThrowable */
        end local 4 // java.lang.Throwable t
        15: .line 594
      StackMap locals:
      StackMap stack:
            aload 3 /* firstThrowable */
            ifnull 17
        16: .line 595
            aload 3 /* firstThrowable */
            invokestatic org.apache.lucene.util.IOUtils.rethrowAlways:(Ljava/lang/Throwable;)Ljava/lang/Error;
            athrow
        17: .line 597
      StackMap locals:
      StackMap stack:
            return
        end local 3 // java.lang.Throwable firstThrowable
        end local 2 // java.util.Set toDelete
        end local 1 // java.util.Collection files
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   18     0            this  Lorg/apache/lucene/index/IndexFileDeleter;
            0   18     1           files  Ljava/util/Collection<Ljava/lang/String;>;
            2   18     2        toDelete  Ljava/util/Set<Ljava/lang/String;>;
            3   18     3  firstThrowable  Ljava/lang/Throwable;
            5   10     4            file  Ljava/lang/String;
            9   10     6               t  Ljava/lang/Throwable;
           14   15     4               t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           5     7       8  Class java.lang.Throwable
          11    12      13  Class java.lang.Throwable
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      files  

  private boolean decRef(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.lang.String fileName
         0: .line 601
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 602
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* fileName */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.getRefCount:(Ljava/lang/String;)Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
            astore 2 /* rc */
        start local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
         2: .line 603
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 5
         3: .line 604
            getstatic org.apache.lucene.index.IndexFileDeleter.VERBOSE_REF_COUNTS:Z
            ifeq 5
         4: .line 605
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "  DecRef \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\": pre-decr count is "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 2 /* rc */
            getfield org.apache.lucene.index.IndexFileDeleter$RefCount.count:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         5: .line 608
      StackMap locals: org.apache.lucene.index.IndexFileDeleter$RefCount
      StackMap stack:
            aload 2 /* rc */
            invokevirtual org.apache.lucene.index.IndexFileDeleter$RefCount.DecRef:()I
            ifne 8
         6: .line 611
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 1 /* fileName */
            invokeinterface java.util.Map.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 612
            iconst_1
            ireturn
         8: .line 614
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
        end local 1 // java.lang.String fileName
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    9     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    9     1  fileName  Ljava/lang/String;
            2    9     2        rc  Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
    MethodParameters:
          Name  Flags
      fileName  

  void decRef(org.apache.lucene.index.SegmentInfos);
    descriptor: (Lorg/apache/lucene/index/SegmentInfos;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
         0: .line 619
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 620
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* segmentInfos */
            iconst_0
            invokevirtual org.apache.lucene.index.SegmentInfos.files:(Z)Ljava/util/Collection;
            invokevirtual org.apache.lucene.index.IndexFileDeleter.decRef:(Ljava/util/Collection;)V
         2: .line 621
            return
        end local 1 // org.apache.lucene.index.SegmentInfos segmentInfos
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    3     0          this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    3     1  segmentInfos  Lorg/apache/lucene/index/SegmentInfos;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
              Name  Flags
      segmentInfos  

  public boolean exists(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.lang.String fileName
         0: .line 624
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 625
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 1 /* fileName */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 3
         2: .line 626
            iconst_0
            ireturn
         3: .line 628
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* fileName */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.getRefCount:(Ljava/lang/String;)Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
            getfield org.apache.lucene.index.IndexFileDeleter$RefCount.count:I
            ifle 4
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         4: iconst_0
            ireturn
        end local 1 // java.lang.String fileName
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    5     1  fileName  Ljava/lang/String;
    MethodParameters:
          Name  Flags
      fileName  

  private org.apache.lucene.index.IndexFileDeleter$RefCount getRefCount(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.lang.String fileName
         0: .line 633
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 635
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 1 /* fileName */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 5
         2: .line 636
            new org.apache.lucene.index.IndexFileDeleter$RefCount
            dup
            aload 1 /* fileName */
            invokespecial org.apache.lucene.index.IndexFileDeleter$RefCount.<init>:(Ljava/lang/String;)V
            astore 2 /* rc */
        start local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
         3: .line 637
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 1 /* fileName */
            aload 2 /* rc */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 638
            goto 6
        end local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
         5: .line 639
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 1 /* fileName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexFileDeleter$RefCount
            astore 2 /* rc */
        start local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
         6: .line 641
      StackMap locals: org.apache.lucene.index.IndexFileDeleter$RefCount
      StackMap stack:
            aload 2 /* rc */
            areturn
        end local 2 // org.apache.lucene.index.IndexFileDeleter$RefCount rc
        end local 1 // java.lang.String fileName
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    7     1  fileName  Ljava/lang/String;
            3    5     2        rc  Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
            6    7     2        rc  Lorg/apache/lucene/index/IndexFileDeleter$RefCount;
    MethodParameters:
          Name  Flags
      fileName  

  void deleteNewFiles(java.util.Collection<java.lang.String>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.util.Collection files
         0: .line 647
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 648
      StackMap locals:
      StackMap stack:
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 2 /* toDelete */
        start local 2 // java.util.Set toDelete
         2: .line 649
            aload 1 /* files */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 4
            goto 8
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set top java.util.Iterator
      StackMap stack:
         3: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* fileName */
        start local 3 // java.lang.String fileName
         4: .line 656
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 3 /* fileName */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifeq 5
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.refCounts:Ljava/util/Map;
            aload 3 /* fileName */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.apache.lucene.index.IndexFileDeleter$RefCount
            getfield org.apache.lucene.index.IndexFileDeleter$RefCount.count:I
            ifne 8
         5: .line 657
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set java.lang.String java.util.Iterator
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 7
         6: .line 658
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "will delete new file \""
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* fileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "\""
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         7: .line 660
      StackMap locals:
      StackMap stack:
            aload 2 /* toDelete */
            aload 3 /* fileName */
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
        end local 3 // java.lang.String fileName
         8: .line 649
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.util.Set top java.util.Iterator
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         9: .line 664
            aload 0 /* this */
            aload 2 /* toDelete */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteFiles:(Ljava/util/Collection;)V
        10: .line 665
            return
        end local 2 // java.util.Set toDelete
        end local 1 // java.util.Collection files
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   11     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            0   11     1     files  Ljava/util/Collection<Ljava/lang/String;>;
            2   11     2  toDelete  Ljava/util/Set<Ljava/lang/String;>;
            4    8     3  fileName  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      files  

  private void deleteFiles(java.util.Collection<java.lang.String>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.util.Collection names
         0: .line 668
            getstatic org.apache.lucene.index.IndexFileDeleter.$assertionsDisabled:Z
            ifne 1
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.locked:()Z
            ifne 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 669
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.ensureOpen:()V
         2: .line 671
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            invokevirtual org.apache.lucene.util.InfoStream.isEnabled:(Ljava/lang/String;)Z
            ifeq 5
         3: .line 672
            aload 1 /* names */
            invokeinterface java.util.Collection.size:()I
            ifle 5
         4: .line 673
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.infoStream:Lorg/apache/lucene/util/InfoStream;
            ldc "IFD"
            new java.lang.StringBuilder
            dup
            ldc "delete "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* names */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual org.apache.lucene.util.InfoStream.message:(Ljava/lang/String;Ljava/lang/String;)V
         5: .line 679
      StackMap locals:
      StackMap stack:
            aload 1 /* names */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 3
            goto 10
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection top java.util.Iterator
      StackMap stack:
         6: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 2 /* name */
        start local 2 // java.lang.String name
         7: .line 680
            aload 2 /* name */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 9
         8: .line 681
            goto 10
         9: .line 683
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.lang.String java.util.Iterator
      StackMap stack:
            aload 0 /* this */
            aload 2 /* name */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteFile:(Ljava/lang/String;)V
        end local 2 // java.lang.String name
        10: .line 679
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
        11: .line 686
            aload 1 /* names */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 3
            goto 16
      StackMap locals:
      StackMap stack:
        12: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 2 /* name */
        start local 2 // java.lang.String name
        13: .line 687
            aload 2 /* name */
            ldc "segments"
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifeq 15
        14: .line 688
            goto 16
        15: .line 690
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection java.lang.String java.util.Iterator
      StackMap stack:
            aload 0 /* this */
            aload 2 /* name */
            invokevirtual org.apache.lucene.index.IndexFileDeleter.deleteFile:(Ljava/lang/String;)V
        end local 2 // java.lang.String name
        16: .line 686
      StackMap locals: org.apache.lucene.index.IndexFileDeleter java.util.Collection top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 12
        17: .line 692
            return
        end local 1 // java.util.Collection names
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   18     0   this  Lorg/apache/lucene/index/IndexFileDeleter;
            0   18     1  names  Ljava/util/Collection<Ljava/lang/String;>;
            7   10     2   name  Ljava/lang/String;
           13   16     2   name  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/Collection<Ljava/lang/String;>;)V
    MethodParameters:
       Name  Flags
      names  

  private void deleteFile(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.lucene.index.IndexFileDeleter this
        start local 1 // java.lang.String fileName
         0: .line 696
            aload 0 /* this */
            getfield org.apache.lucene.index.IndexFileDeleter.directory:Lorg/apache/lucene/store/Directory;
            aload 1 /* fileName */
            invokevirtual org.apache.lucene.store.Directory.deleteFile:(Ljava/lang/String;)V
         1: .line 697
            goto 5
      StackMap locals:
      StackMap stack: java.io.IOException
         2: astore 2 /* e */
        start local 2 // java.io.IOException e
         3: .line 698
            getstatic org.apache.lucene.util.Constants.WINDOWS:Z
            ifne 5
         4: .line 704
            aload 2 /* e */
            athrow
        end local 2 // java.io.IOException e
         5: .line 707
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.lang.String fileName
        end local 0 // org.apache.lucene.index.IndexFileDeleter this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lorg/apache/lucene/index/IndexFileDeleter;
            0    6     1  fileName  Ljava/lang/String;
            3    5     2         e  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.nio.file.NoSuchFileException
           0     1       2  Class java.io.FileNotFoundException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      fileName  
}
SourceFile: "IndexFileDeleter.java"
NestMembers:
  org.apache.lucene.index.IndexFileDeleter$CommitPoint  org.apache.lucene.index.IndexFileDeleter$RefCount
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map
  private final CommitPoint = org.apache.lucene.index.IndexFileDeleter$CommitPoint of org.apache.lucene.index.IndexFileDeleter
  private final RefCount = org.apache.lucene.index.IndexFileDeleter$RefCount of org.apache.lucene.index.IndexFileDeleter